@charset "UTF-8";

:root {
  --base-font-size: 10px;
  --base-font-color: #1A1A1A;
  --base-bg-color: #FFFFFF;
  --dark-red-color: #E84459;
  --dark-yellow-color: #FFBA00;
  --bright-blue-color: #77F4FB;
  --z-index-background: -1;
  --z-index-main: 0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,body {
  scroll-behavior: auto;
  overflow-x: hidden;
}

body {
  width: 100%;
  height: 100dvh;
  font-size: var(--base-font-size);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  color: var(--base-font-color);
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  background: var(--base-bg-color);
  transition: none;
  overflow: hidden;
}

h1,h2,h3,h4,h5,h6,strong {
  font-weight: 900;
}

/* loading screen --------------------------------- */
#loading,
#loading-icon-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: #FFFFFF;
  opacity: 1;
  pointer-events: none;
  transition: opacity .25s;
  transition-delay: .5s;
  z-index: 9997;
  overflow: hidden;
}

#loading.active {
  opacity: 0;
}

#loading-icon-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255,255,255,.25);
  opacity: 1;
  pointer-events: none;
  transition: opacity .25s;
  transition-delay: .5s;
  z-index: 9999;
}

#loading-icon-wrapper.active {
  opacity: 0;
}

.loading-icon {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  box-shadow:
    0 -30px 0 #eeeeee,
    21px -21px 0 #dddddd,
    30px 0 0 #cccccc,
    21px 21px 0 #bbbbbb,
    0 30px 0 #aaaaaa,
    -21px 21px 0 #999999,
    -30px 0 0 #666666,
    -21px -21px 0 #333333;
  animation: rotate-icon 1s steps(8) 0s infinite;
}

@keyframes rotate-icon {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* layouts ---------------------------------------- */
main {
  position: relative;
  width: 100%;
  overflow-x: hidden;
}

#contents {
  width: 100%;
  overflow-x: hidden;
}

.content__inner {
  width: 900px;
  margin: 0 auto;
}

@media only screen and (max-width: 900px) {
  .content__inner {
    width: 90% !important;
    margin: 0 5%;
    overflow: hidden;
  }
}

/* main visual ------------------------------------ */
#page__top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100dvh;
  overflow: hidden !important;
  transition: all .25s;
}

header {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.header__inner {
  position: relative;
	width: 900px;
	height: fit-content;
  margin: -48px auto 0 auto;
  filter: blur(0px);
  transition: all .5s;
  pointer-events: all;
  user-select: none;
  -webkit-user-select: none;
}

.header__inner.active {
  filter: blur(20px);
}

.text-wrapper {
  display: block;
  width: 900px;
  height: 75px;
  perspective: 1000px;
}

.wrapper {
  display: flex;
  justify-content: space-between;
  align-content: flex-start;
  gap: 2.5px;
  width: 900px;
  height: 75px;
  overflow: visible visible;
}

.wrapper .inner {
  display: flex;
  justify-content: space-around;
}

.wrapper .inner:first-child {
  width: 550px;
}

.wrapper .inner:last-child {
  width: 350px;
}

.container {
  display: block;
  position: relative;
  top: 0 !important;
  left: 0;
  padding-top: 55px;
  backface-visibility: hidden;
  overflow: visible visible;
}

.image-container {
  position: absolute !important;
  top: 50%;
  left: 50%;
  height: fit-content;
  margin: -5px;
  padding: 5px;
  transform: translate(-50%,-50%);
  overflow: visible visible;
  z-index: var(--z-index-main);
}

.image-container svg {
  overflow: visible visible !important;
}

.image {
  display: block;
  width: fit-content;
  height: fit-content;
  fill: #FFFFFF;
  stroke: #FFFFFF;
  stroke-width: 1px;
  pointer-events: auto;
  transform-origin: center center;
  transition: transform 0s;
}

.image.blue {
  fill: var(--bright-blue-color);
  stroke-width: 0;
}

.image.red {
  fill: var(--dark-red-color);
  stroke-width: 0;
}

.domain-s {
  width: 62px;
}

.domain-h {
  width: 66px;
}

.domain-u {
  width: 63px;
}

.domain-n {
  width: 63px;
}

.domain-k {
  width: 67px;
}

.domain-e {
  width: 53px;
}

.domain-d {
  width: 65px;
}

.domain-o {
  width: 71px;
  transform: translateX(-5px);
}

.domain-i {
  width: 20px;
  transform: translateX(-5px);
}

.domain-dot {
  width: 21px;
}

.domain-j {
  width: 53px;
  transform: translateX(-5px);
}

.domain-p {
  width: 59px;
  transform: translateX(-5px);
}

.website__title {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: 15px 15px 10px 10px;
  color: #FFFFFF;
  z-index: var(--z-index-main);
}

.website__title h1 {
  display: block;
  width: fit-content;
  font-size: .9rem;
  letter-spacing: .75px;
}

.website__title h1 span {
  display: inline-block;
  font-weight: 400;
  text-shadow: none;
  transition: text-shadow .25s;
}

.website__title h1 span:nth-child(1),
.website__title h1 span:nth-child(2),
.website__title h1 span:nth-child(3),
.website__title h1 span:nth-child(4) {
  font-weight: 900 !important;
}

.text-wrapper:hover .website__title h1 span {
  text-shadow: -2px 2px 0px var(--dark-red-color), 2px -2px 0px var(--bright-blue-color);
}

.column__container {
  display: flex;
  justify-content: center;
  gap: 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%; /* till 2816px */
  min-height: 100dvh;
  filter: blur(0px);
  background: #1A1A1A;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  transform-origin: center center;
  will-change: transform;
  transition: transform .25s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: .5s;
  overflow: hidden;
  z-index: var(--z-index-background);
}

.column {
  height: 100dvh;
  pointer-events: none;
  flex: 1 0 auto;
  opacity: 0;
  background-repeat: repeat-y;
  aspect-ratio: 3 / 16 !important;
}

.column-1 {
  background-image: url(../images/slide-1.jpg);
}

.column-2 {
  background-image: url(../images/slide-2.jpg);
}

.column-3 {
  background-image: url(../images/slide-3.jpg);
}

.column-4 {
  background-image: url(../images/slide-4.jpg);
}

.column-5 {
  background-image: url(../images/slide-5.jpg);
}

.column-6 {
  background-image: url(../images/slide-6.jpg);
}

.column-7 {
  background-image: url(../images/slide-7.jpg);
}

.column-8 {
  background-image: url(../images/slide-8.jpg);
}

.column-9 {
  background-image: url(../images/slide-9.jpg);
}

.column-10 {
  background-image: url(../images/slide-10.jpg);
}

.column-11 {
  background-image: url(../images/slide-11.jpg);
}

.column-12 {
  background-image: url(../images/slide-12.jpg);
}

.column-13 {
  background-image: url(../images/slide-13.jpg);
}

.column-14 {
  background-image: url(../images/slide-14.jpg);
}

.column-15 {
  background-image: url(../images/slide-15.jpg);
}

@keyframes scrollBackground {
  0% {
    background-position-y: var(--end-position);
  }
  100% {
    background-position-y: var(--initial-position);
  }
}

.column__overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: rgba(0,0,0,.6);
  background: linear-gradient(0deg,rgba(26,26,26,.85)0%,rgba(15,15,15,.6)64%,rgba(0,0,0,.6)100%);
  transition: all .25s ease-out;
  transition-delay: .25s;
  pointer-events: none;
  overflow: hidden;
  z-index: var(--z-index-main);
}

#animation__container {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  z-index: var(--z-index-background);
}

#loading-text {
  position: absolute;
  top: 24px;
  left: 24px;
  display: block;
  width: max-content;
  height: fit-content;
  padding: 5px 10px;
  font-size: .75rem;
  color: var(--base-font-color);
  background: var(--base-bg-color);
  opacity: 1;
  transition: opacity .75s ease;
  z-index: 9998;
}

#loading-text::after {
	display: inline;
  width: 3em;
	color: var(--base-font-color);
	content: "   ";
	animation: loading-text .35s linear infinite;
}

@keyframes loading-text {
	0%   {
		content: "   ";
	}
	25%  {
		content: ".  ";
	}
	50%  {
		content: ".. ";
	}
	75%  {
		content: "...";
	}
	100% {
		content: "   ";
	}
}

#animation__container img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
}

@media only screen and (max-width: 900px) {
  header {
    position: relative;
  }
  .nav__inner {
    width: 90%;
    margin: 0 5%;
  }
  .wrapper {
    display: flex;
    flex-direction: row;
    align-content: flex-start;
    flex-wrap: nowrap;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 900px;
    height: 150px;
    transform: translate(-50%,calc(-50% + 24px)) scale(65%);
  }
  .wrapper .inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: nowrap;
  }
  .wrapper .inner:first-child {
    width: 550px;
  }
  .wrapper .inner:last-child {
    width: 350px;
    margin-top: 0px;
  }
  .website__title {
    display: block !important;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 350px;
    text-align: left;
    transform: translateX(-50%) translateY(48px);
  }
  .website__title h1 {
    display: block;
    margin-left: 15px;
    font-size: .75rem;
  }
  #animation__container,
  #loading-text {
    display: none;
  }
}
@media only screen and (max-width: 599px) {
  .wrapper {
    display: flex;
    flex-direction: column;
    align-content: flex-start;
    flex-wrap: wrap;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 550px;
    height: 150px;
    transform: translate(-50%,calc(-50% - 64px)) scale(55%);
    transform-origin: center center;
  }
  .wrapper .inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
  }
  .wrapper .inner:first-child {
    width: 550px;
  }
  .wrapper .inner:last-child {
    width: 350px;
    margin-top: 10px;
  }
  .website__title {
    display: block !important;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 350px;
    text-align: left;
    transform: translateX(-50%) translateY(55px);
  }
  .website__title h1 {
    font-size: .65rem;
    transform: translateY(-64px);
  }
}

/* note (SNS) ------------------------------------- */
.note-ticker {
  position: fixed;
  top: 50%;
  left: 50%;
  width: calc(900px * 80%);
  height: calc(2em + 16px);
  padding: 5px 10px;
  font-size: .75rem;
  background: #f9f9f9;
  overflow: hidden;
  background: var(--base-bg-color);
  border-radius: 10px;
  transform: translate(-50%,calc(-50% + 128px));
  z-index: var(--z-index-main);
}

.note-ticker a {
  display: block;
  padding: 5px 10px;
  color: var(--base-font-color);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.note-date {
  font-weight: 900;
  margin-right: .5em;
}

.note-title {
  font-weight: 400;
}

@media (max-width: 599px) {
  .note-ticker {
    height: 32px;
    padding: 2.5px 8px 0 0;
    transform: translate(-50%,calc(-50% + 64px));
  }
  .note-ticker a {
    height: 32px;
    font-size: .6rem;
  }
}

/* footer ----------------------------------------- */
footer {
  position: absolute;
  bottom: 48px;
  width: 100%;
  color: var(--base-bg-color);
  z-index: var(--z-index-main);
}

.footer__container {
  display: flex;
	justify-content: space-between;
	align-items: center;
	width: 900px;
	margin: auto;
  color: var(--base-bg-color);
  font-size: .75rem;
}

.footer__link {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  width: fit-content;
}

.footer__link a {
  display: block;
  width: 32px;
  height: 32px;
  padding: 16px;
  text-indent: -9999px;
  text-decoration: none;
  filter: grayscale(100%) brightness(.65);
  background: rgba(255,255,255,.5) no-repeat center center;
  background-size: 16px 16px;
  border: var(--base-bg-color) .9px solid;
  border-radius: 4px;
  transition: filter .25s ease;
  overflow: hidden;
}

.footer__link a.note-link {
  background-image: url(../images/icon-note.png);
}

.footer__link a.gmail-link {
  background-image: url(../images/icon-gmail.png);
}

.footer__link a:hover {
  filter: grayscale(0%) brightness(1.0);
}

.copyright {
  font-family: "Inter", sans-serif;
	letter-spacing: 1px;
	text-transform: uppercase;
  line-height: 16px;
}

.copyright i {
  font-size: 125%;
  font-style: normal;
  font-weight: 400;
}

.copyright #signature {
	display: inline-block;
	width: 120px;
	height: 35px;
  margin: 16px 0 0 5px;
	text-indent: -9999px;
	background: url(../images/signature.png) no-repeat;
	background-size: contain;
  transform: translateY(-8px);
}

.copyright .sp-br {
	display: none;
}

@media only screen and (max-width: 900px) {
  .footer__container {
    display: flex;
    flex-direction: column;
    gap: 48px;
    align-items: center;
    width: fit-content;
    margin: 0 auto;
  }
  .copyright {
    text-align: center;
    line-height: 240%;
  }
  .copyright #signature {
    transform: translateY(0px);
  }
  .copyright .sp-br {
    display: inline;
  }
}